Adjustable Resistance Strength Trainer Hand Gripper Fingers Arm Muscle Exerciser

10-40KG resistance can be adjusted freely, suitable for different groups of people
There is a connection buckle at the connection part, which is safe, firm, and durable, and not easy to damage
ABS high elastic handle, comfortable to hold, wear-resistant, and not easy to fade
Effectively strengthen hand strength, exercise fingers, and arm muscles
Intelligent counting display, always know your workout results
( Random Color )